ZIP Code 11978

11978 is one of New York's ZIP codes, delivering to addresses in Westhampton Beach, Suffolk County.

City: Westhampton Beach
County: Suffolk County
State: New York
Prefix: 119xx

Where this code sits

11978 is part of the 119xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Westhampton Beach.

Westhampton Beach New York ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 11978 delivers to without sharing its boundary.

ZIP codes nearest 11978

The ZIP codes whose reference points sit closest to 11978.
ZIP code	Distance	Delivers to
ZIP code 11977	1.4 mi	Westhampton, NY
ZIP code 11959	2.5 mi	Quogue, NY
ZIP code 11972	3.1 mi	Speonk, NY
ZIP code 11960	3.4 mi	Remsenburg, NY
ZIP code 11942	3.6 mi	East Quogue, NY
ZIP code 11941	4.2 mi	Eastport, NY
ZIP code 11940	5.7 mi	East Moriches, NY
ZIP code 11901	6.7 mi	Riverhead, NY

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 11978, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 11978. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.